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Aliased Aliased Ignore Aliased Init Aliased Length Array Length Attr Casing Attr False Attr Null Attr Object Attr Object False Attr String Attr String Empty Attr String False Attr String Null Attr String True Attr String Undefined Attr True Attr Undefined Bind Checkbox String Bind Checkbox Value Boolean Bind Invalid Bind Namespaced Bind Number String Bind Radio Number Bind Range Bind Select Multiple Number Bind Select Number Bind Text Number Bind Wc Checkbox Array Checkbox Boolean Checkbox Boolean Checked Checkbox Value Checkbox Value Checked Class Class Added Class Cleanup Class Empty Class Multiple Cleanup Nested Removal Computed Assign Computed Object Computed Text Multiple Content Type Html Content Type Javascript Content Type Javascript Attributes Content Type Json Custom Plugin Custom Plugin Only Apply New Deep Diff Execute Script Execute Script Multiple Expression Iife Fetch Base Uri Fetch Cancel On Ancestor Removal Fetch Cancel On Element Removal Fetch Error Event Fetch Events Fetch Events Bulk Fetch Events Order Fetch Exclude Signals Fetch Exclude Signals None Fetch Filter Signals Default Fetch Include Signals Fetch Local Signals Fetch Peek Fetch Relative Uri Form Content Type Form Content Type Button Form Content Type Multipart Form Content Type Multiple Form Content Type Outside Form Content Type Post Form Content Type Submit Form Content Type Submit Delay Ignore Ignore Descendants Ignore Morph Ignore Morph Attributes Ignore Morph Child Target Ignore Morph Create Child Ignore Morph Remove Ignore Morph Remove Child Ignore Self Indicator Indicator Element Removed Indicator Html Init Init Delay Init Multiple Input Array Input Signal Input Value Key Casing Key Casing Nested Key Casing Numbers Local Signals Match Hyphen Match Most Specific Signal Name Morph Body Morph Document Morph Head Morph Ignore Child Morph Inner Morph Input Diff Morph Reapply Attr Morph Reapply Class Morph Reapply Nested Text Morph Reapply Signals Morph Reapply Text Morph Svg Mut Pure Expression On Click Debounce On Click Debounce Leading On Click Debounce Leading Notrailing On Click Throttle On Click Throttle Trailing On Click Throttle Trailing Noleading On Intersect On Intersect Exit On Intersect Exit Once On Intersect Once On Resize On Script On Signal Patch On Signal Patch Filter On Signal Patch Filter Exclude On Signal Patch Filter Once On Signal Patch Filter String Patch Element Patch Element Containing On Event Patch Element Init Patch Element Input Value Patch Element Multiple Clicks Patch Element Multiple Targets Patch Element Namespace Patch Element Replace Multiple Targets Patch Element Script Patch Element Script Multiple Patch Element Signals Patch Element Whitespace Persist Signals Persist Signals Ifmissing Persist Signals Key Persist Signals Path Persist Signals Path Regex Plugin Name Prefix Preserve Attr Preserve Attr Multiple Preserve Attr Remove Query String Query String Array Query String Filter Query String History Query String Path Query String Path Regex Query String To Signals Query String To Signals Array Radio Value Radio Value Checked Ref Remove Element Remove Initiating Element Remove Signals Request Cancellation Rocket Actions Rocket Computed Rocket Computed Key Rocket Init Rocket Init Delay Rocket Loop Aliases Rocket Loop Keyed Rocket Morph Rocket Morph Conditionals Rocket Morph Conditionals Nested Rocket Morph Remove Rocket Nested Init Once Rocket Prop Default With Validation Rocket Ref Rocket Ref Key Rocket Ref Key Case Rocket Remove Rocket Scoped Effect Rocket Signals Rocket Signals Key Rocket Slot Children Rocket Static Function Rocket Static Vars Select Multiple Select Single Set All Path Set All Path Wildcard Set All Paths Signal Class Signal Operators Signal Prefix Signals Expression Signals Expression Object Signals If Missing Style Style Cleanup Style Conditional Style Preserve Inline Toggle All Path

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On Signal Patch Filter Once

Tests detecting a signal patch with a filter, and that the expression is called once.

Result:

Expected result on load: 1

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